Home / 3,270.29-4,512.84-1,853.88

Finding the Fourth Proportional to 3,270.29, 4,512.84 and 1,853.88

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Solution

The fourth proportional to 3,270.29, 4,512.84 and 1,853.88 is: 2,558.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.29 : 4,512.84 = 1,853.88 : x
  2. Step 2: Convert to fraction form
    3,270.29/4,512.84 = 1,853.88/x
  3. Step 3: Cross multiply
    3,270.29x = 4,512.84 × 1,853.88
  4. Step 4: Simplify right side
    3,270.29x = 8,366,263.82
  5. Step 5: Solve for x
    x = 8,366,263.82/3,270.29
  6. Step 6: Final answer
    x = 2,558.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.